diff --git a/requirements.txt b/requirements.txt
index 66b7588d7..a7fb30c28 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -177,7 +177,7 @@ toposort==1.5
 trollius==2.2.post1
 tzlocal==2.0.0
 urllib3==1.25.3
-waitress==1.3.1
+waitress==1.4.2
 WebOb==1.8.5
 websocket-client==0.56.0
 Werkzeug==0.15.6